Motor position controller
a position controller and motor technology, applied in the direction of motor/generator/converter stopper, dynamo-electric converter control, ac motor direction control, etc., can solve the problems of inoperable state, difficulty in achieving normal motor operation, and non-conformity of pulse form, so as to avoid the defect of motor operation caused by pulse form non-conformity and ensure normal motor operation. the effect of operation
Inactive Publication Date: 2011-12-08
YASKAWA DENKI KK
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AI Technical Summary
Benefits of technology
The present invention provides a motor position controller that can automatically adjust the pulse form of the command pulse signals to match the desired pulse form setting, and can also detect and address any nonconformities that may occur. This ensures reliable normal motor operation and avoids motor operation defects caused by pulse form nonconformities. Additionally, the motor position controller can also switch and temporarily set multiple pulse forms without depending on an external input, allowing for trial runs with multiple pulse forms and making the determination of the actual pulse form more accurate.
Problems solved by technology
At this time, the possibility exists that a pulse form related nonconformity may occur, i.e., the pulse form of the command pulse signals actually inputted may differ from the pulse form setting or the command pulse signals may not be properly transmitted, due to some kind of cause outside the motor position controller.
This may result in difficulties in achieving normal motor operation or in an inoperative state.
Method used
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Embodiment Construction
[0021]The following describes an embodiment of the present aspect of the invention with reference to accompanying drawings.
[0022]FIG. 1 is a system block diagram schematically showing the system configuration of the motor position controller and peripheral devices thereof according to an embodiment of the present aspect of the invention. In this embodiment, an example in which a rotary motor is driven and controlled is described. In FIG. 1, a motor position controller 1 comprises a counter 2, a motor controlling part 3, and a conformity determining part 4.
[0023]A higher controller 5 is provided outside the motor position controller 1, and comprises a personal computer, a controller, or the like, for example.
[0024]The counter 2 receives command pulse signal inputs from the higher controller 5, and generates and outputs to the motor controlling part 3 a position command signal corresponding to the number of pulses included in the command pulse signals. Note that this position command ...
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The motor position controller inputs a command pulse signal and a desired pulse form setting, and drives a motor based on the command pulse signal. The motor position controller includes a position command generating device configured to generate a position command signal from the command pulse signal in accordance with the inputted desired pulse form setting, a motor controlling part configured to supply power to the motor based on the position command signal, and a first conformity determination device configured to determine the conformity of the desired pulse form setting and the command pulse signal.
Description
CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application claims priority from Japanese Patent Application No. 2010-129649, which was filed on Jun. 7, 2010, the disclosure of which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present embodiment disclosed relates to a motor position controller configured to input a command pulse signal that serves as a position control command.[0004]2. Description of the Related Art[0005]Prior arts for providing to an inverter apparatus a program configured to continually monitor operation commands, operation procedure commands, and inoperable conditions and using this program to simply and quickly investigate the cause of an inoperable state are known (refer to JP, A, 2008-154414, for example). In addition, techniques for calculating a rate of change per unit time of a speed command, determining a result that is greater than a predetermined value as a fault, and the...
Claims
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IPC IPC(8): H02P6/08H02P6/12H02P29/00
CPCH02P6/08H02P23/0072H02P23/24H02P6/10
Inventor OKUBO, TADASHI
Owner YASKAWA DENKI KK